Hidoku Mixed Grids - Easy to Hard - Volume 1 - 156 Puzzles
Hidoku Mixed Grids - Hard - Volume 4 - 156 Logic Puzzles
Hidoku Mixed Grids - Easy - Volume 2 - 156 Logic Puzzles
Hidoku Mixed Grids Deluxe - Easy to Hard - Volume 5 - 255 Logic Puzzles
Hidoku Mixed Grids - Medium - Volume 3 - 156 Logic Puzzles
Daily Tridoku Puzzle Calendar 2015
King-Sized Kakuro Mixed Grids Deluxe - Volume 2 - 249 Puzzles
Hoshi Sudoku - Hard - Volume 4 - 276 Puzzles
Mini Sudoku For Kids 6x6 - Hard - Volume 11 - 145 Logic Puzzles
Classic Sudoku 9x9 - Extreme - Volume 5 - 276 Puzzles
Numbricks 15x15 - Easy to Hard - Volume 11 - 276 Logic Puzzles
Heyawake Mixed Grids - Hard - Volume 4 - 276 Logic Puzzles
Killer Sudoku 10x10 - Hard - Volume 10 - 267 Puzzles
Samurai Sudoku - Extreme - Volume 5 - 159 Puzzles
Mega Sudoku 16x16 - Hard - Volume 32 - 276 Puzzles
Numbricks Mixed Grids Large Print - Medium - Volume 9 - 276 Logic Puzzles
Frame Sudoku Deluxe - Volume 3 - 468 Logic Puzzles
Non-Consecutive Sudoku Large Print - Easy to Extreme - Volume 6 - 276 Logic Puzzles
Jigsaw Sudoku 9x9 - Easy to Extreme - Volume 1 - 276 Puzzles
CalcuDoku Mixed Grids - Medium - Volume 3 - 276 Puzzles
